Grand Portage National Monument Weather Forecast

    • 18
    • 29

    Mostly Cloudy

    • 22
    • 37

    Mostly Cloudy

    • 30
    • 42

    Slight Chance Rain

    • 37
    • 49

    Rain

    • 17
    • 49

    Snow Likely

    • 12
    • 30

    Partly Sunny

    • 19
    • 35

    Mostly Cloudy

Today 11 Mar Southern Cook/North Shore

Mostly sunny and much cooler. Near steady temperature in the mid 20s. West Winds 5 to 10 Mph.

Tonight 11 Mar Southern Cook/North Shore

Mostly cloudy. A chance of snow. Little or no snow accumulation. Near steady temperature around 19. South Winds around 5 Mph. Chance of snow 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand Portage National Monument Temperature Statistics

March Temperature

Grand Marais/Cook County Airport (31.7 miles)

  • Lowest 1 March, 2025

    -7.6 °F

  • Average March

    20.7 °F

  • Highest 9 March, 2025

    48.2 °F

Climate (2020–Present)

Grand Marais/Cook County Airport (31.7 miles)

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  • Average Low 2020–2025

    28.8 °F

  • Average 2020–2025

    38.2 °F

  • Average High 2020–2025

    46.8 °F
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